cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A304091 a(n) is the number of the proper divisors of n that are Lucas numbers (A000032, with 2 included).

Table of values

n a(n)
1 0
2 1
3 1
4 2
5 1
6 3
7 1
8 3
9 2
10 2
11 1
12 4
13 1
14 3
15 2
16 3
17 1
18 3
19 1
20 3
21 3
22 3
23 1
24 4
25 1
26 2
27 2
28 4
29 1
30 3
31 1
32 3
33 3
34 2
35 2
36 5
37 1
38 2
39 2
40 3
41 1
42 4
43 1
44 4
45 2
46 2
47 1
48 4
49 2
50 2
51 2
52 3
53 1
54 4
55 2
56 4
57 2
58 3
59 1
60 4
61 1
62 2
63 3
64 3
65 1
66 4
67 1
68 3
69 2
70 3
71 1
72 5
73 1
74 2
75 2
76 3
77 3
78 3
79 1
80 3
81 2
82 2
83 1
84 5
85 1
86 2
87 3
88 4
89 1
90 4
91 2
92 3
93 2
94 3
95 1
96 4
97 1
98 3
99 3
100 3
101 1
102 3
103 1
104 3
105 3

List of values

[0, 1, 1, 2, 1, 3, 1, 3, 2, 2, 1, 4, 1, 3, 2, 3, 1, 3, 1, 3, 3, 3, 1, 4, 1, 2, 2, 4, 1, 3, 1, 3, 3, 2, 2, 5, 1, 2, 2, 3, 1, 4, 1, 4, 2, 2, 1, 4, 2, 2, 2, 3, 1, 4, 2, 4, 2, 3, 1, 4, 1, 2, 3, 3, 1, 4, 1, 3, 2, 3, 1, 5, 1, 2, 2, 3, 3, 3, 1, 3, 2, 2, 1, 5, 1, 2, 3, 4, 1, 4, 2, 3, 2, 3, 1, 4, 1, 3, 3, 3, 1, 3, 1, 3, 3]